Nineteen millionths (0.000019) in standard form is 1.9 × 10-5
Not sure what you mean by "standard form"; one way to write this is as 120 µm.
10,000 is how << Ten Thousand * * * * * 10,000 is NOT how! Ten thousandths is 0.0001 << one ten-thousandth or one hundred millionths 10 thousandths is actually 1 hundredth >> 0.010
The way you wrote it is the standard form.
0.472 in standard form is 4.72x10-1.
1,095 millionths in decimal form is 0.001095
You write 1,095 millionths in standard form as 1.095 × 10-3
Fifty millionths in standard form is 0.000050
300 millionths in standard form is 3.0 × 10-8
Nineteen millionths (0.000019) in standard form is 1.9 × 10-5
907 millionths in standard form is 9.07 × 10-4In standard notation: 0.000907
135 millionths = 0.000135 = 1.35 x 10-4 in standard form.
100 six-millionths in standard form = 1.666666667 × 10-5
One and 51 millionths (1.000051) in standard form is 1.000051 × 100
0.000020
0.000024
0000000106